Nowadays, we can make out effort (23)………….. the environment by a lot of practical measures. Firstly, we don’t throw our rubbish away (24)…… thinking which things can be recycled. For example, we (25)…….. put plastic bottles in bins. Secondly, (26)…………. driving our car wherever we go, we ought to leave it at home whenever possible, and walk or use public transport. And finally, when going to the market, we should bring our own bags (27)………. we needn’t use the supermarket’s plastic bags, which will be safe not only for our health, but also the environment. 23. A. make B. making C. to make D. made 24. A. with B. without C. within D. in 25. A. must B. should C. would like D. have to 26. A. instead of B. by C. despite D. because of 27. A. because B. and C. although D. so